Continuing work on cleanups.

[flightgear.git] / src / Scenery / tilemgr.hxx

diff --git a/src/Scenery/tilemgr.hxx b/src/Scenery/tilemgr.hxx
index 37894b79d27ac4b04ddb31326a324c53d77151bd..39b8103c521b350df3078f355e13dde67ea9039b 100644 (file)
--- a/src/Scenery/tilemgr.hxx
+++ b/src/Scenery/tilemgr.hxx
@@ -94,7 +94,12 @@ private:
     list < FGLoadRec > load_queue;
 
     // initialize the cache
-    void initialize_queue( void );
+    void initialize_queue();
+
+    // forced emptying of the queue.  This is necessay to keep
+    // bookeeping straight for the tile_cache -- which actually
+    // handles all the (de)allocations
+    void destroy_queue();
 
     FGBucket BucketOffset( int dx, int dy );
 
@@ -143,10 +148,10 @@ public:
     // Initialize the Tile Manager subsystem
     int init( void );
 
-    // given the current lon/lat, fill in the array of local chunks.
-    // If the chunk isn't already in the cache, then read it from
-    // disk.
-    int update( void );
+    // given the current lon/lat (in degrees), fill in the array of
+    // local chunks.  If the chunk isn't already in the cache, then
+    // read it from disk.
+    int update( double lon, double lat );
 
     // Determine scenery altitude.  Normally this just happens when we
     // render the scene, but we'd also like to be able to do this
@@ -159,13 +164,15 @@ public:
                     const sgdVec3 p, const sgdVec3 dir,
                     FGHitList *list );
 
-    bool current_elev_ssg( const Point3D& abs_view_pos, 
-                          const Point3D& view_pos );
+    bool current_elev_ssg( sgdVec3 abs_view_pos, 
+                          sgVec3 view_pos );
        
     // Prepare the ssg nodes ... for each tile, set it's proper
     // transform and update it's range selector based on current
     // visibilty
     void prep_ssg_nodes( void );
+
+    inline int queue_size() const { return load_queue.size(); }
 };